package com.ls.config;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;

/**
 * <p></p>
 * Created by zhezhiyong@163.com on 2017/2/22.
 */
@EnableRedisHttpSession
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {

    @Bean
    public KeyGenerator myKeyGenerator() {
        return (target, method, params) -> {
            StringBuilder sb = new StringBuilder();
            sb.append(target.getClass().getName());
            sb.append(method.getName());
            for (Object obj : params) {
                sb.append(obj.toString());
            }
            return sb.toString();
        };
    }

    @Bean
    public CacheManager cacheManager(RedisTemplate redisTemplate) {
        return new RedisCacheManager(redisTemplate);
    }

    @Bean
//    @SuppressWarnings({"rawtypes", "unchecked"})
    public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
        // 旧式的 Jackson Redis Serfializer
//        StringRedisTemplate template = new StringRedisTemplate(factory);
//        Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
//        ObjectMapper om = new ObjectMapper();
//        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
//        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
//        jackson2JsonRedisSerializer.setObjectMapper(om);
//        template.setValueSerializer(jackson2JsonRedisSerializer);
//        template.afterPropertiesSet();
//        return template;

        RedisSerializer<Object> redisSerializer = new FastJson2JsonRedisSerializer<>(Object.class);
        StringRedisTemplate template = new StringRedisTemplate(factory);
        template.setValueSerializer(redisSerializer);
        template.afterPropertiesSet();
        return template;
    }
}
